12003023445 has 32 divisors (see below), whose sum is σ = 22030030080. Its totient is φ = 5466685440.

The previous prime is 12003023407. The next prime is 12003023491. The reversal of 12003023445 is 54432030021.

It is not a de Polignac number, because 12003023445 - 2⁶ = 12003023381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184236 + ... + 240725.

It is an arithmetic number, because the mean of its divisors is an integer number (688438440).

Almost surely, 2^12003023445 is an apocalyptic number.

12003023445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12003023445 is a deficient number, since it is larger than the sum of its proper divisors (10027006635).

12003023445 is a wasteful number, since it uses less digits than its factorization.

12003023445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425245.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 12003023445 its reverse (54432030021), we get a palindrome (66435053466).

The spelling of 12003023445 in words is "twelve billion, three million, twenty-three thousand, four hundred forty-five".